func resourceNetworkingRouterRouteV2Delete(d *schema.ResourceData, meta interface{}) error {

	routerId := d.Get("router_id").(string)
	osMutexKV.Lock(routerId)
	defer osMutexKV.Unlock(routerId)

	config := meta.(*Config)

	networkingClient, err := config.networkingV2Client(d.Get("region").(string))
	if err != nil {
		return fmt.Errorf("Error creating OpenStack networking client: %s", err)
	}

	n, err := routers.Get(networkingClient, routerId).Extract()
	if err != nil {
		httpError, ok := err.(*gophercloud.UnexpectedResponseCodeError)
		if !ok {
			return fmt.Errorf("Error retrieving OpenStack Neutron Router: %s", err)
		}

		if httpError.Actual == 404 {
			return nil
		}
		return fmt.Errorf("Error retrieving OpenStack Neutron Router: %s", err)
	}

	var updateOpts routers.UpdateOpts

	var destCidr string = d.Get("destination_cidr").(string)
	var nextHop string = d.Get("next_hop").(string)

	var oldRts []routers.Route = n.Routes
	var newRts []routers.Route

	for _, r := range oldRts {

		if r.DestinationCIDR != destCidr || r.NextHop != nextHop {
			newRts = append(newRts, r)
		}
	}

	if len(oldRts) != len(newRts) {
		r := routers.Route{DestinationCIDR: destCidr, NextHop: nextHop}
		log.Printf(
			"[INFO] Deleting route %s", r)
		updateOpts.Routes = newRts

		log.Printf("[DEBUG] Updating Router %s with options: %+v", routerId, updateOpts)

		_, err = routers.Update(networkingClient, routerId, updateOpts).Extract()
		if err != nil {
			return fmt.Errorf("Error updating OpenStack Neutron Router: %s", err)
		}
	} else {
		return fmt.Errorf("Route did not exist already")
	}

	return nil
}
func resourceNetworkingRouterRouteV2Create(d *schema.ResourceData, meta interface{}) error {

	routerId := d.Get("router_id").(string)
	osMutexKV.Lock(routerId)
	defer osMutexKV.Unlock(routerId)

	var destCidr string = d.Get("destination_cidr").(string)
	var nextHop string = d.Get("next_hop").(string)

	config := meta.(*Config)
	networkingClient, err := config.networkingV2Client(d.Get("region").(string))
	if err != nil {
		return fmt.Errorf("Error creating OpenStack networking client: %s", err)
	}

	n, err := routers.Get(networkingClient, routerId).Extract()
	if err != nil {
		httpError, ok := err.(*gophercloud.UnexpectedResponseCodeError)
		if !ok {
			return fmt.Errorf("Error retrieving OpenStack Neutron Router: %s", err)
		}

		if httpError.Actual == 404 {
			d.SetId("")
			return nil
		}
		return fmt.Errorf("Error retrieving OpenStack Neutron Router: %s", err)
	}

	var updateOpts routers.UpdateOpts
	var routeExists bool = false

	var rts []routers.Route = n.Routes
	for _, r := range rts {

		if r.DestinationCIDR == destCidr && r.NextHop == nextHop {
			routeExists = true
			break
		}
	}

	if !routeExists {

		if destCidr != "" && nextHop != "" {
			r := routers.Route{DestinationCIDR: destCidr, NextHop: nextHop}
			log.Printf(
				"[INFO] Adding route %s", r)
			rts = append(rts, r)
		}

		updateOpts.Routes = rts

		log.Printf("[DEBUG] Updating Router %s with options: %+v", routerId, updateOpts)

		_, err = routers.Update(networkingClient, routerId, updateOpts).Extract()
		if err != nil {
			return fmt.Errorf("Error updating OpenStack Neutron Router: %s", err)
		}
		d.SetId(fmt.Sprintf("%s-route-%s-%s", routerId, destCidr, nextHop))

	} else {
		log.Printf("[DEBUG] Router %s has route already", routerId)
	}

	return resourceNetworkingRouterRouteV2Read(d, meta)
}